Dictionary.com
Thesaurus.com

fickle-minded

American  
[fik-uhl-mahyn-did] / ˈfɪk əlˈmaɪn dɪd /

adjective

  1. (of a person) prone to casual change; inconstant.

Etymology

Origin of fickle-minded

First recorded in 1590–1600

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.